解决办法，使用插件rollup-plugin-replace [https://github.com/rollup/rollup-plugin-replace]
代码如下：
import babel from 'rollup-plugin-babel';
import resolve from 'rollup-plugin-node-resolve';
import vue from 'rollup-plugin-vue';
import replace from 'rollup-plugin-replace'
export default {
entry: 'src/main.js',
format: 'cjs',
plugins: